461630767362551 has 4 divisors (see below), whose sum is σ = 467474194797600. Its totient is φ = 455787339927504.

The previous prime is 461630767362533. The next prime is 461630767362571. The reversal of 461630767362551 is 155263767036164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461630767362551 - 2²² = 461630763168247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461630767362511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921713717406 + ... + 2921713717563.

It is an arithmetic number, because the mean of its divisors is an integer number (116868548699400).

Almost surely, 2^{461630767362551} is an apocalyptic number.

461630767362551 is a deficient number, since it is larger than the sum of its proper divisors (5843427435049).

461630767362551 is an equidigital number, since it uses as much as digits as its factorization.

461630767362551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843427435048.

The product of its (nonzero) digits is 114307200, while the sum is 62.

The spelling of 461630767362551 in words is "four hundred sixty-one trillion, six hundred thirty billion, seven hundred sixty-seven million, three hundred sixty-two thousand, five hundred fifty-one".